硬质合金钻头20XD（内冷）

硬质合金钻头使用特点Use features

用于：灰铸铁、球墨铸铁、不锈钢、结构钢、合金钢等常见材料 的加工，定心能力强，稳定的尺寸精度和良好的表面质置。

For: gray cast iron, nodular cast iron, stainless steel, structural steel and alloysteel materials, centering capability is strong, stable dimensional accuracy and good surface quality.

硬质合金钻头制造特点 Manufacturing characteristics

刃部公差(Cutting edge tolerance}: m7 

排屑槽型(Chip groove):特殊设计，便于排屑(Special design, easy to chip removal)

横刃制造(Chisel edge manutacturing):横刃修正(Chisel edge correction)

柄部形式(Shank form): DfN6535HAh6

涂层(Coating): He/NaNo

注：

1、接受非标定制

(1)刀具直径、槽长、总长、刃部双刃带，可接受非标定制

(2)柄部形式可按DIN6535HB/HE定制

2、定制举例N20-0300或N20-0300HE

Note:

1、acceptance of non - standard customization

(1 )The tool diameter, groove length, total length and double-edged edge of the blade can be accepted by non-standard customization.

(2) The handle form can be customized by DIN6535HB/HE

2、Customizing the example N20-0300 or N20-0300HE